Home / 8,126,392.56-11,215,564.12-5,029,909.12

Finding the Fourth Proportional to 8,126,392.56, 11,215,564.12 and 5,029,909.12

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Solution

The fourth proportional to 8,126,392.56, 11,215,564.12 and 5,029,909.12 is: 6,941,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126,392.56 : 11,215,564.12 = 5,029,909.12 : x
  2. Step 2: Convert to fraction form
    8,126,392.56/11,215,564.12 = 5,029,909.12/x
  3. Step 3: Cross multiply
    8,126,392.56x = 11,215,564.12 × 5,029,909.12
  4. Step 4: Simplify right side
    8,126,392.56x = 56,413,268,253,132.77
  5. Step 5: Solve for x
    x = 56,413,268,253,132.77/8,126,392.56
  6. Step 6: Final answer
    x = 6,941,981.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.